Pascal's triangle

noun

, Mathematics.

1. a triangular arrangement of the binomial coefficients of the expansion ( x + y ) n for positive integral values of n.

Pascal's triangle

noun

1. a triangle consisting of rows of numbers; the apex is 1 and each row starts and ends with 1, other numbers being obtained by adding together the two numbers on either side in the row above: used to calculate probabilities

Word History and Origins

Origin of Pascal's triangle¹

Named after Pascal

Word History and Origins

Origin of Pascal's triangle¹

C17: named after Blaise Pascal